Answer: dna genes chromosomes nucleus
Explanation:
I did this question before and the answer is Magnesium and silicon, B.
You need to use Stoichiometry
Hydrogen + oxygen -> water
2H2 + O2 -> 2H2O (balanced)
2 moles of hydrogen gas will react with 1 mole of oxygen to produce 2 moles of water.
following that ratio, 0.734 mole of oxygen must need 0.734 × 2 moles of hydrogen to fully react.
answer is 1.468 moles of hydrogen.
Dipole-dipole interactions, and London dispersion interactions
